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Dockerfile: add llvm for cross-compilation support #18

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Merged
rucoder merged 1 commit into from
Aug 12, 2025
Merged

Dockerfile: add llvm for cross-compilation support #18

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13 changes: 12 additions & 1 deletion Dockerfile
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Expand Up @@ -29,7 +29,18 @@ ENV TARGETS="x86_64-unknown-linux-musl aarch64-unknown-linux-musl x86_64-unknown
RUN rustup target add ${TARGETS}

# needed for cargo-chef and cargo-sbom, as well as many other compilations
RUN apk add musl-dev linux-headers make clang mold python3 git perl protoc
RUN apk add musl-dev linux-headers make clang llvm lld mold python3 git perl protoc

ENV PATH=/usr/lib/llvm/bin:$PATH
# export cross-compilation vars for both musl targets
ENV CC_aarch64_unknown_linux_musl=clang \
CFLAGS_aarch64_unknown_linux_musl="--target=aarch64-unknown-linux-musl" \
AR_aarch64_unknown_linux_musl=llvm-ar \
RANLIB_aarch64_unknown_linux_musl=llvm-ranlib \
CC_x86_64_unknown_linux_musl=clang \
CFLAGS_x86_64_unknown_linux_musl="--target=x86_64-unknown-linux-musl" \
AR_x86_64_unknown_linux_musl=llvm-ar \
RANLIB_x86_64_unknown_linux_musl=llvm-ranlib

# copy the cargo plugins from the tools stage
COPY --from=tools /cargo-cross /usr/local/cargo
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